Napa information on the site is deemed reliable, but not guaranteed. Our Napa stats, Napa census, and Napa information is aggregated from many different sources and may be dated. Currently, we have one thousand ninety-one Napa foreclosures of forty-eight thousand five hundred fifty-four Napa, California housing units housing units, of which forty-five thousand four hundred two are occupied, twenty-nine thousand five hundred fifty-four are owner occupied, fifteen thousand eight hundred forty-eight are rented, three thousand one hundred fifty-two are vacant, and seventeen thousand three hundred thirty have mortgages. has forty-five thousand four hundred two households, and one hundred twenty-four thousand two hundred seventy-nine citizens.